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- Title
Ultraviolet extensions of the Scotogenic model.
- Authors
Portillo-Sánchez, Diego; Escribano, Pablo; Vicente, Avelino
- Abstract
The Scotogenic model is a popular scenario that induces radiative Majorana neutrino masses and includes a weakly-interacting dark matter candidate. We classify all possible ultraviolet extensions of the Scotogenic model in which (i) the dark ℤ2 parity emerges at low energies after the spontaneous breaking of a global U(1)L lepton number symmetry, and (ii) the low-energy effective theory contains a naturally small lepton number breaking parameter, suppressed by the mass of a heavy mediator integrated out at tree-level. We find 50 such models and discuss two of them in detail to illustrate our setup. We also discuss some general aspects of the phenomenology of the models in our classification, exploring possible lepton flavor violating signals, collider signatures and implications for dark matter. The phenomenological prospects of these scenarios are very rich due to the presence of additional scalar states, including a massless Goldstone boson.
- Subjects
LEPTON number; SYMMETRY breaking; DARK matter; NEUTRINO mass; NAMBU-Goldstone bosons; NEUTRINOS; PHENOMENOLOGY
- Publication
Journal of High Energy Physics, 2023, Vol 2023, Issue 8, p1
- ISSN
1126-6708
- Publication type
Article
- DOI
10.1007/JHEP08(2023)023